Enacts new GS 143-64.17H to provide that the General Fund current operations appropriations credit balance remaining at the end of each fiscal year for utilities of a state governmental unit that is due to energy savings realized from implementing an energy  conservation measure is to be carried forward by the unit to the next fiscal year and is appropriated for energy conservation measures by that unit. Prohibits the Director of the Budget from decreasing the recommended continuation budget requirements for utilities for state governmental units carrying forward a credit balance by the amount of energy savings realized from implementing energy conservation measures. Requires state governmental units to submit annual reports on the use of funds authorized pursuant to this statute as required under GS 143-64.12. Makes conforming changes to GS 143-64.12. Effective for fiscal years beginning on or after July 1, 2013.